AbstractEffect console warning

[CostyKiller]

when starting server up this warning comes up:

[27/06 18:33:03] AbstractEffect: Unable to initialize effect handler: DispelByCategory: null

[Former user]

The cause is some edited (custom) skill. In this update https://bitbucket.org/l2jserver/l2j_server/commits/ecece5c67b3b4fa390bb6475a0cad8e25d963998

Is added extra information for easy detect the skill what cause it. Guess your skill contains wrong "slot".